Skip to content


Miniature Proportional Valve

mini valve

Select your specifications above to create a part number


  • 2-5 Millisecond Response Time
  • Unique Proportional Valve Design
  • Easily Cleaned and Maintained
  • Quiet Operation
  • Low Hysteresis Performance
  • Controls Air, Water, and Other Mediums

Lead Time
1‐5 Units 5-10 Business Days
6 Units or More Consult Sales

We offer discounts for orders of 25 units or more. Please contact our sales department for a quote. 

Kelly Pneumatics, offers a low volume flow Miniature Proportional Valve utilizing our unique proportional valve design. This non-spool valve architecture employs one moving part, ensuring virtually friction-less proportional control and longevity tested over 100 million cycles. The simplicity of the proportional valve design also ensures relative ease when implementing maintenance or cleaning. We also offer alternative versions that are resistant to both high and low temperatures, therefore performing consistently in many different environments. Available in both a 2-way and 3-way valve, this product can efficiently process Water, Air, Oil, and Hydrogen.  


Valve Function 2-Way, Normally Closed
Electrical Connection Wire Leads or Terminal Spades
Working Pressure -14.7 to 100 psig (6.8 bar) (standard)
500 psig (custom)
Flow Range 0-500 milliliters of water per minute,
0-32 liters per minute of air
Orifice Size .009, .013, .025, .040, or .060 inches
Voltage Range 0-5, 0-10, and 0-20 VDC
Response Time 2 – 5 ms
Port Types #10-32 Inline (Base Mount),
1/16″ Manifold Mount,
Seal Material Buna-N, Viton, or EPDM
Operating Temp. -40° to 200°F (-40° to 93°C)
Maximum Hysteresis 2-10% of full current (varies with max flow)
Leak Rate Bubble Tight Seal
Type of Operation Direct solenoid
Filtration 40 Micron Recommended
Weight 0.15 lbs
Wetted Materials Cold rolled stainless steel w/ electroless
nickel plating, brass and 304 stainless steel.
Power 1.8 watts (max)
Ports See Dimensions Below



Performance Characteristics


More From This Product Line

Max Flow Rate:32 LPM

Max Flow Rate:140 LPM

Max Flow Rate:300 LPM

Not Sure Which Proportional Valve You Need? Please Tell Us About Your Application. We'll Help You Select the Perfect Valve For Your Project.

Purchasing Information

After completing your order, you will receive an email confirmation, as well as a shipment tracking number when your order has shipped.

Payment: We accept PayPal Account payments and most major credit cards. Phone orders are also accepted.

Refund Policy: Give it a try! We offer a 30-Day refund period for all orders. If you ship back the order and confirm your return is in transit within 30 Days of receiving the order, we will refund the cost of units ordered. This refund does not include parts that are damaged by you or missing components. All shipping costs are non-refundable unless the package was incorrectly shipped or you received defective products.

Cancellations: You can cancel your order for a full refund If your order hasn’t shipped. Contact us and submit your order number to request a cancellation.

Your Cart